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C60 Steel AISI 1060 DIN C60 - High Strength Carbon Steel from China Suppliers & Factory
C60 Steel AISI 1060 DIN C60 - High Strength Carbon Steel from China Suppliers & Factory

C60 Steel AISI 1060 DIN C60 - High Strength Carbon Steel from China Suppliers & Factory

GENERAL CHARACTERISTICS

C60 steel is a medium carbon engineering steel classified under the EN10083 standard, known for its carbon content ranging from 0.57% to 0.65%. This unalloyed steel exhibits remarkable characteristics similar to C55 carbon steel, offering high hardness and exceptional strength after undergoing hardening processes. However, due to its high carbon content, C60 steel poses challenges in welding and has limited machinability. Typically, this steel is delivered in an untreated or normalized state, making it ideal for various applications. As a leading supplier in China, our factory guarantees high-quality C60 steel to meet your engineering needs.

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    GENERAL CHARACTERISTICS

    C60 steel is an unalloyed medium carbon engineering steel which has 0.57%-0.65% Carbon as per EN10083 standard. It has characteristics similar to that of C55 carbon steel which has high hardness and high strength after hardening. C60 is difficult to weld, and machinability is poor due to high carbon content. This steel is generally supplied in an untreated or normalized condition.

    Designation by Standards

    Mat. No. DIN EN AISI
    1.0601 C60 - 1060

    Chemical Composition (in weight %)

    C Si Mn Cr Mo Ni V W Others
    0.61 max. 0.40 0.75 max. 0.40 max. 0.10 max. 0.40 - - (Cr+Mo+Ni)= max. 0.63

    Description

    C60 is one of the higher carbon contents (0.60%) steels. It is more difficult to fabricate than the lower carbon grades.

    Applications

    Applications include hand tools such as screwdrivers, pliers and similar items.

    Physical Properties (average values) at Ambient Temperature

    Modulus of elasticity [103 x N/mm2]: 210
    Density [g/cm3]: 7.85
    Thermal conductivity [W/m.K]: 46.6
    Electric resistivity [Ohm mm2/m]: 0.127
    Specific heat capacity [J/g.K]: 0.46
    Coefficient of Linear Thermal Expansion 10-6 °C-1:
    20-100°C 20-200°C 20-300°C 20-40°C 20-500°C
    11.1 12.1 12.9 13.5 13.9

    Heat Treatment

    Soft Annealing

    Heat to 680-710°C, cool slowly in furnace. This will produce a maximum Brinell hardness of 241.

    Normalizing

    Normalizing temperature: 820-86°C/air.

    Hardening

    Harden from a temperature of 800-840°C followed by water or oil quenching.

    Tempering

    Tempering temperature: 550-660°C/air.

    Mechanical Properties

    Mechanical Properties in Hardened Tempered Condition

    Diameter (mm) 0.2 % proof stress (N/mm²) Tensile strength (N/mm²) Elongation A5 (%) Reduction Z (%)
    up to 16 570 830-980 11 20
    17-40 490 780-930 13 30
    41-100 450 740-890 14 35

    Mechanical Properties in Normalized Condition

    Diameter (mm) 0.2 % proof stress (N/mm²) Tensile strength (N/mm²) Elongation A5 (%)
    up to 16 min. 380 min. 710 min. 10
    17-100 min. 340 min. 670 min. 11
    101-250 min. 310 min. 650 min. 11

    Forging, Machinability & Processing

    Forging Hot forming temperature: 1100-800°C.
    Machinability Machinability of C60 and all of the higher carbon steels is relatively poor. C60 rates at 55 to 60 % that of the AISI 1112 steel which is considered 100% machinable.
    Corrosion Resistance This steel is not corrosion resistant. It will rust unless protected.
    Welding C60 may be welded by all of the conventional methods. However both pre-heat and post-heat should be used when welding by an approved procedure. Pre-heat at 260 to 320°C and post-heat at 650 to 780°C.
    Cold working Cold working is difficult even in the annealed condition although it may be done by conventional methods but requires greater force than the lower carbon steels.

    Frequently Asked Questions (FAQ)

    What are the primary applications of C60 engineering steel?
    C60 medium carbon steel is commonly used for manufacturing hand tools, such as screwdrivers, pliers, and other similar mechanical items.
    How machinable is C60 carbon steel?
    The machinability of C60 is relatively poor due to its high carbon content. It is rated at approximately 55% to 60% of the machinability of AISI 1112 steel (which is rated at 100%).
    What are the welding requirements for C60 steel?
    C60 can be welded using conventional methods, but it requires pre-heating at 260°C to 320°C and post-heating at 650°C to 780°C to prevent cracking and ensure structural integrity.
    Is C60 steel resistant to corrosion?
    No, C60 steel is not corrosion resistant. It will rust and degrade over time unless it is properly protected with coatings or rust-preventative measures.
    What are the heat treatment temperatures for C60 steel?
    The standard heat treatment processes for C60 steel include Soft Annealing (680-710°C), Normalizing (820-86°C), Hardening (800-840°C), and Tempering (550-660°C).
    How does cold working affect C60 steel?
    Cold working C60 steel is difficult, even when it is in the annealed condition. Although it can be processed using conventional methods, it requires significantly greater force compared to lower carbon grade steels.